Naming organic compounds
3 marks · EasyThe table shows the structural formulas of three organic compounds.
| Compound | Structural formula |
|---|---|
| A | CH3CH2CH2CH3 |
| B | CH2=CHCH3 |
| C | CH3CH2CH2OH |
Name compound A using IUPAC rules.
Identify the homologous series for compound B.
State the functional group present in compound C.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) butane
(b) alkene
(c) hydroxyl group · must show alcohol group
Show mark scheme and worked solution
Marking points
A1 (a) · 1 mark · A named as butane.
A2 (b) · 1 mark · B identified as alkene.
A3 (c) · 1 mark · C: hydroxyl (or alcohol) group stated.
Worked solution
a) Compound A: CH3CH2CH2CH3 – four carbons, all single bonds: butane.
b) Compound B: CH2=CHCH3 – double bond present: alkene.
c) Compound C: CH3CH2CH2OH – contains an –OH (hydroxyl) group.